19834724933 has 4 divisors (see below), whose sum is σ = 20114087328. Its totient is φ = 19555362540.

The previous prime is 19834724863. The next prime is 19834724941. The reversal of 19834724933 is 33942743891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19834724933 - 2⁸ = 19834724677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19834724033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139681091 + ... + 139681232.

It is an arithmetic number, because the mean of its divisors is an integer number (5028521832).

Almost surely, 2^19834724933 is an apocalyptic number.

It is an amenable number.

19834724933 is a deficient number, since it is larger than the sum of its proper divisors (279362395).

19834724933 is an equidigital number, since it uses as much as digits as its factorization.

19834724933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279362394.

The product of its digits is 3919104, while the sum is 53.

The spelling of 19834724933 in words is "nineteen billion, eight hundred thirty-four million, seven hundred twenty-four thousand, nine hundred thirty-three".